An automatic adjustment system and control method for roller pressurization

Abstract

This invention discloses an automatic roller pressurization adjustment system and control method, belonging to the field of screen manufacturing technology. It includes a roller pressurization robot and a pressurization mechanism located at the end of the roller pressurization robot. The system comprises: a mounting frame connected to the end of the roller pressurization robot; an image acquisition unit mounted on the mounting frame for acquiring and processing the position data of a target object, and outputting target positioning data; an upper roller pressurization component located on the side of the mounting frame away from the image acquisition unit for pressurizing the upper surface of the target object; a lower roller pressurization component located on the side of the mounting frame closer to the image acquisition unit for pressurizing the lower surface of the target object; and a control module connected to the pressurization mechanism for receiving and outputting pressurization control signals based on the target positioning data. The advantages of this technical solution are: adjustable pressurization position, high consistency of pressurization pressure, adaptability to different screen sizes, high compatibility, and reduced investment costs.

Description

Technical Field

[0001] This invention relates to the field of screen manufacturing technology, and in particular to a roller pressure adjustment system and control method. Background Technology

[0002] Currently, in well-known television (TV) production lines, the screen pressing process is a crucial production step. The two most common screen pressing methods are manual roller pressing and electric cylinder pressing.

[0003] Manual roller pressurization is a relatively traditional method. In practice, because it relies entirely on manual operation, it's difficult for workers to ensure that the pressure applied by the rollers is consistently applied each time. There are also significant problems with pressure consistency in manual operation; different workers apply varying degrees of force, and unidirectional pressurization results in the screen being subjected to uneven stress. This uneven stress can easily lead to deformation, affecting the overall quality and performance of the product and increasing the defect rate.

[0004] Electric cylinder pressurization overcomes the inaccuracies of manual operation; however, electric cylinder pressurization equipment is often designed and manufactured based on specific size specifications. When faced with television screens of different sizes, electric cylinder pressurization equipment cannot adapt well to various screen sizes, resulting in unsatisfactory pressurization effects when pressurizing non-standard sized screens. Furthermore, electric cylinder pressurization equipment has high investment costs, and it is difficult to quickly adapt and adjust the equipment when the production line needs to adjust products or replace screens with different sizes. Summary of the Invention

[0005] The purpose of this invention is to provide an automatic adjustment system for roller pressure to solve the above-mentioned technical problems;

[0006] The present invention also aims to provide a control method for an automatic adjustment system for roller pressure, thereby solving the above-mentioned technical problems;

[0007] An automatic adjustment system for roller pressurization includes,

[0008] A roller pressurizing robot and a pressurizing mechanism disposed at the end of the roller pressurizing robot, the pressurizing mechanism comprising,

[0009] Mounting frame, connecting to the end of the roller pressurizing robot;

[0010] An image acquisition device, mounted on the mounting frame, is used to acquire the location data of the target object, process the data, and output the target positioning data.

[0011] The upper roller pressurization assembly is located on the side of the mounting frame away from the image acquisition device, and is used to pressurize the upper surface of the target object under the action of the pressurization control signal;

[0012] The lower roller pressurization assembly is located on the side of the mounting frame near the image acquisition device, and is used to pressurize the lower surface of the target object under the action of the pressurization control signal;

[0013] The control module, connected to the pressurization mechanism, is used to receive the target positioning data and output the pressurization control signal based on the target positioning data.

[0014] Preferably, the upper roller pressurizing assembly includes,

[0015] An upper roller mounting plate, one end of which is connected to the mounting frame;

[0016] An upper roller, located at the other end of the upper roller mounting plate, is used to apply pressure to the upper surface of the target object;

[0017] A force sensor is disposed between the upper roller mounting plate and the mounting frame to collect the applied force of the upper roller;

[0018] An electric cylinder, located above the force sensor, is used to control the up-and-down movement of the upper roller.

[0019] Preferably, the lower roller pressurizing assembly includes,

[0020] A lower roller mounting plate, one end of which is connected to the mounting frame, and the other end of which extends toward one side of the upper roller mounting plate to form a bottom support plate;

[0021] The lower roller is located on the bottom support plate and corresponds to the position of the upper roller.

[0022] A cylinder is located on the first end of the lower roller mounting plate;

[0023] A proportional valve, located near the image acquisition unit, is connected to the cylinder and is used to control the air flow rate of the cylinder.

[0024] Preferably, the control module is a programmable logic controller, and the image acquisition device is a camera.

[0025] A control method for an automatic roller pressurization adjustment system, used to control the automatic roller pressurization adjustment system, comprising,

[0026] Step S1: The image acquisition device acquires the position data of the target object, compares the position data with a preset standard position, and obtains the roller offset.

[0027] Step S2: Calculate the target positioning data based on the roller offset. The target positioning data includes the detection center point and four offset base points.

[0028] Step S3: The control module receives the target positioning data and outputs the pressurization control signal based on the target positioning data;

[0029] In step S4, the upper roller pressing assembly applies pressure to the upper surface of the target object under the action of the pressing control signal, and the lower roller pressing assembly applies pressure to the lower surface of the target object under the action of the pressing control signal.

[0030] Preferably, the detection center point in step S2 is obtained using the following formula:

[0031]

[0032] Wherein, (X5,Y5,R) represents the detection center point;

[0033] (X0, Y0, R) represents the center point of the standard position;

[0034] W represents the width of the target object.

[0035] Preferably, the first offset base point in step S2 is obtained using the following formula:

[0036]

[0037] Among them, (X) 1, Y1,R) represents the first offset base point;

[0038] L represents the length of the target object;

[0039] (X,Y,R) represents the roller offset.

[0040] Preferably, the second offset base point in step S2 is obtained using the following formula:

[0041]

[0042] Among them, (X) 2, Y2,R) represents the second offset base point;

[0043] L represents the length of the target object;

[0044] (X,Y,R) represents the roller offset.

[0045] Preferably, the third offset base point in step S2 is obtained using the following formula:

[0046]

[0047] Where (X3,Y3,R) represents the third offset base point;

[0048] (X0, Y0, R) represents the center point of the standard position;

[0049] W represents the width of the target object.

[0050] Preferably, the fourth offset base point in step S2 is obtained using the following formula:

[0051]

[0052] Wherein, (X4,Y4,R) represents the fourth offset base point;

[0053] (X2,Y2,R) represents the second offset base point;

[0054] W represents the width of the target object.

[0055] The beneficial effects of this invention are: it can adjust the pressure position, has high consistency in pressure, adapts to different screen sizes, has high compatibility, and reduces investment costs. Attached Figure Description

[0056] Figure 1 This is a schematic diagram of the automatic roller pressure adjustment system of the present invention;

[0057] Figure 2 This is a schematic diagram of the pressurization mechanism of the present invention;

[0058] Figure 3 This is a side view of the pressurization mechanism of the present invention;

[0059] Figure 4 This is a flowchart illustrating the control method steps of the automatic adjustment system for roller pressurization according to the present invention;

[0060] Figure 5 This is a flowchart of the automatic roller pressure adjustment system of the present invention;

[0061] Figure 6 This is a schematic diagram of the roller offset of the present invention;

[0062] Figure 7 This is a schematic diagram of the target positioning data of the present invention.

[0063] In the attached diagram: 1. Roller pressurizing robot; 2. Pressurizing mechanism; 21. Mounting frame; 22. Image acquisition device; 23. Upper roller pressurizing assembly; 231. Upper roller mounting plate; 232. Upper roller; 233. Force sensor; 234. Electric cylinder; 24. Lower roller pressurizing assembly; 241. Lower roller mounting plate; 242. Lower roller; 243. Cylinder; 244. Proportional valve; 245. Bottom support plate; 3. Control module; 4. Target object. Detailed Implementation

[0064] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0065] It should be noted that, in the absence of conflict, the embodiments of the present invention and the features in the embodiments may be combined with each other.

[0066] The present invention will be further described below with reference to the accompanying drawings and specific embodiments, but this is not intended to limit the scope of the invention.

[0067] An automatic adjustment system for roller pressurization, such as Figure 1 , Figure 2 , Figure 3 As shown, including,

[0068] The roller pressurizing robot 1 and the pressurizing mechanism 2 located at the end of the roller pressurizing robot 1, the pressurizing mechanism 2 including,

[0069] Mounting frame 21 connects to the end of roller pressurizing robot 1;

[0070] Image acquisition device 22, mounted on mounting frame 21, is used to acquire position data of target object 4 and process the data to output target positioning data;

[0071] The upper roller pressurization assembly 23 is located on the side of the mounting frame 21 away from the image acquisition unit 22, and is used to pressurize the upper surface of the target object 4 under the action of the pressurization control signal.

[0072] The lower roller pressurization assembly 24 is located on the side of the mounting frame 21 near the image acquisition unit 22, and is used to pressurize the lower surface of the target object 4 under the action of the pressurization control signal.

[0073] The control module 3 is connected to the pressurization mechanism 2 and is used to receive target positioning data and output pressurization control signals based on the target positioning data.

[0074] Specifically, this invention provides an automatic roller pressurization adjustment system for pressurizing screens on a production line. The target object 4 refers to the screens on the production line. The position data of the target object 4 is collected by the image acquisition device 22, processed, and transmitted to the control module 3. The control module 3 outputs pressurization control signals to the upper roller pressurization component 23 and the lower roller pressurization component 24, which can ensure the consistency of pressurization position and pressure. The upper roller pressurization component 23 and the lower roller pressurization component 24 work together to cancel each other out, avoiding deformation during pressurization. The pressurization position can be adjusted according to the size of different screens, with high compatibility and low investment cost.

[0075] In a preferred embodiment, referencing Figure 3 The upper roller pressurizing assembly 23 includes,

[0076] Upper roller mounting plate 231, one end of which is connected to mounting frame 21;

[0077] The upper roller 232 is located at the other end of the upper roller mounting plate 231 and is used to apply pressure to the upper surface of the target object 4.

[0078] Force sensor 233 is located between upper roller mounting plate 231 and mounting frame 21, and is used to collect the applied force of upper roller 232;

[0079] The electric cylinder 234 is located above the force sensor 233 and is used to control the upper roller 232 to move up and down and adjust the height of the upper roller 232 to adapt to different machine sizes. The force sensor 233 and the electric cylinder 234 do not perform real-time automatic adjustment at the same time.

[0080] The electric cylinder 234 can automatically adjust the roller height and roller pressure to ensure constant pressure, is compatible with different machine sizes, greatly reduces investment and subsequent debugging and maintenance costs, and improves production flexibility and efficiency.

[0081] The lower roller pressurization assembly 24 includes,

[0082] The lower roller mounting plate 241 has one end connected to the mounting frame 21 and the other end of the lower roller mounting plate 241 extends toward one side of the upper roller mounting plate 231 to form a bottom support plate 245.

[0083] The lower roller 242 is located on the bottom support plate 245 and corresponds to the position of the upper roller 232.

[0084] Cylinder 243 is located on the first end of the lower roller mounting plate 241. Cylinder 243 is a gas-driven linear reciprocating motion actuator and is connected to the lower roller 242.

[0085] The proportional valve 244 is located near the image acquisition unit 22. The proportional valve 244 is connected to the cylinder 243 and is used to control the air flow of the cylinder 243. The proportional valve 244 can accurately control the air flow and has a fast response speed, thereby controlling the pressure of the lower roller 242.

[0086] Cylinder 243, in conjunction with proportional valve 244, provides pressure and constant force to lower roller 242 to adapt to changes in the position of the roller assembly.

[0087] Specifically, the image acquisition unit 22 is used for visual positioning of the target object 4. The image acquisition unit 22 feeds back the data to the control module 3. The control module 3 processes the feedback data using a visual algorithm and then sends a control signal. Under the action of the control signal, the upper roller pressing component 23 and the lower roller pressing component 24 adjust their positions and apply pressure to solve the position inaccuracies caused by the differences between each part and each tooling plate. The rolling position is kept at the set optimal position each time to ensure the quality of the product.

[0088] The two sets of rollers work together to eliminate the problem of component deformation caused by uneven pressure on one side.

[0089] The electric cylinder 234 collects and processes data in real time, controls the pressure of the upper roller 232 to be constant, so that the pressure on the part is constant. It can move up and down to keep the force constant and automatically adjust the height of the roller group to avoid damage to the part due to excessive pressure and quality problems caused by insufficient pressure.

[0090] The upper roller 232 provides constant pressure to the TV screen during the rolling process, so that the screen adheres to the tape. The lower roller 242 provides bottom support. During the pressure process of the upper roller 232, the lower roller 242 provides a reaction force of the same magnitude but opposite direction, so that the component cancels out the force when it is subjected to the pressure of the upper roller 232, thus preventing the component from deforming.

[0091] The upper roller mounting plate 231 is used to provide stable structural support, ensuring that the upper roller 232 maintains a stable position and posture during pressurization, which helps to apply pressure accurately.

[0092] The upper roller 232 is connected to the mounting frame 21, so that the upper roller 232 can move to the appropriate pressurization position under the control of the roller pressurization robot 1 along with the mounting frame 21.

[0093] The upper roller 232 directly contacts the upper surface of the target object 4 to apply pressure to the upper surface of the screen, and is a key component for transmitting pressure to the screen.

[0094] By working in conjunction with the lower roller 242, uniform pressure is applied to the screen, preventing the screen from deforming due to unidirectional force.

[0095] Force sensor 233 collects real-time pressure data from upper roller 232, providing feedback information for precise pressure control. By monitoring the pressure, abnormal pressure conditions can be detected in a timely manner, ensuring the stability and consistency of the pressurization process.

[0096] This helps the system achieve closed-loop pressure control, enabling the actual pressure to more accurately follow the preset pressure value and improving the stability of product quality.

[0097] The electric cylinder 234 can automatically adjust the height of the upper roller 232 to adapt to the pressure requirements of screens of different sizes. On the production line, different models of screens may have different thicknesses and sizes. The electric cylinder 234 can quickly and accurately adjust the position of the upper roller 232 to ensure the accuracy of the pressure position.

[0098] It helps improve the system's production flexibility, reduce equipment adjustment time required due to product switching, and improve production efficiency.

[0099] The lower roller mounting plate 241 provides a mounting base for the lower roller 242, ensuring the stability of the lower roller 242 during operation and enabling it to accurately cooperate with the upper roller 232 to apply uniform pressure to the screen.

[0100] The extended bottom support plate 245 structure increases the contact area with the lower roller 242. The extension direction of the bottom support plate 245 is parallel to the bottom surface of the upper roller mounting plate 231, which helps to better withstand the force generated by the lower roller 242 when it is pressed.

[0101] Cylinder 243 operates based on the compressibility of gas and the principle of pressure transmission. When compressed air enters the cavity of cylinder 243, it pushes the piston to move. The piston is connected to the lower roller mounting plate 241, thereby transmitting pressure to the lower roller 242. By controlling the gas flow rate and pressure entering cylinder 243 (regulated by proportional valve 244), the piston's movement speed and thrust can be precisely controlled, thus achieving precise control of the pressure on the lower roller 242.

[0102] The proportional valve 244 can precisely control the air flow rate of the cylinder 243, thereby achieving high-precision control of the pressure of the lower roller 242. The pressure of the lower roller 242 can be adjusted quickly and accurately according to different production process requirements and screen characteristics.

[0103] It has a fast response speed and can adjust the air flow in a timely manner according to the instructions of the control module 3, so as to ensure the stability and consistency of pressure during the pressurization process and improve product quality.

[0104] In a preferred embodiment, the control module 3 is a programmable logic controller (PLC), and the image acquisition device 22 is a (high-precision) camera.

[0105] Specifically, the camera captures the image information of the target object 4 through the principle of optical imaging, and then uses the internal image processing algorithm to analyze the image, identify the key positional features of the target object 4, and then output accurate target positioning data.

[0106] The programmable logic controller (PLC) can flexibly modify the control program according to different production process requirements and the characteristics of the target object 4. It receives target positioning data from the image acquisition unit 22. Based on preset program logic and algorithms, the PLC processes the target positioning data, calculates the position and magnitude of the pressure required for the upper and lower roller assemblies, and then outputs the corresponding pressure control signal.

[0107] A control method for an automatic adjustment system for roller pressurization, referring to Figure 4 The automatic adjustment system for controlling roller pressure includes:

[0108] Step S1: The image acquisition device 22 acquires the position data of the target object 4, compares the position data with the preset standard position, and obtains the roller offset.

[0109] Step S2: Calculate the target positioning data based on the roller offset. The target positioning data includes the detection center point and four offset base points.

[0110] Step S3: Control module 3 receives target positioning data and outputs a pressurization control signal based on the target positioning data;

[0111] In step S4, the upper roller pressurizing assembly 23 applies pressure to the upper surface of the target object 4 under the action of the pressurizing control signal, and the lower roller pressurizing assembly 24 applies pressure to the lower surface of the target object 4 under the action of the pressurizing control signal.

[0112] Specifically, the present invention also provides a control method for an automatic roller pressurization adjustment system, which is used to control the automatic roller pressurization adjustment system to perform pressurization actions on the screen on the production line. The target object 4 refers to the screen on the production line. The position data of the target object 4 is collected by the image acquisition device 22, processed and transmitted to the control module 3. The control module 3 outputs pressurization control signals to the upper roller pressurization component 23 and the lower roller pressurization component 24, which can ensure the consistency of pressurization position and pressure.

[0113] The upper roller pressure assembly 23 and the lower roller pressure assembly 24 work together to cancel each other out, preventing deformation during the pressure process. They can adjust the pressure position according to different screen sizes, have high compatibility, and low investment costs.

[0114] Image acquisition unit 22 acquires the position data of target object 4, converts the physical position information of target object 4 into digital image signals, and then analyzes them through internal image processing algorithms. By comparing the acquired position data with a preset standard position, the offset of the roller relative to the ideal pressure position can be determined.

[0115] The target positioning data is calculated based on the roller offset, which involves geometric calculations and coordinate transformation principles. By analyzing the offset, the positions of the detection center point and four offset baseline points are calculated, providing accurate positional basis for subsequent pressurization control.

[0116] The control module 3 outputs a pressurization control signal based on the target positioning data. This signal acts simultaneously on the upper roller pressurization component 23 and the lower roller pressurization component 24.

[0117] In terms of control principles, the control module 3 uses an internal control algorithm to convert the target positioning data into control commands for the drive device, so that the upper roller 232 and the lower roller 242 apply pressure to the target object 4 with the same pressure and synchronous movement.

[0118] Based on the precise pressure control method, and according to the principles of mechanics, it can ensure that the upper and lower surfaces of the target object 4 are subjected to uniform force, thus avoiding uneven deformation caused by force on one side.

[0119] The entire control method achieves automated operation, reducing the time and labor costs required for manual operation.

[0120] During production, the system rapidly collects location data, calculates target positioning data, and outputs pressurization control signals, enabling rapid and continuous pressurization operations. Because the accuracy of pressurization location and pressure is guaranteed, rework due to quality issues is reduced, thereby shortening the product production cycle and improving production efficiency.

[0121] Based on the adaptive adjustment capability of the target object 4's position data, regardless of changes in the target object 4's size, shape, and material, the system can acquire its position data through the image acquisition unit 22, and then calculate the corresponding target positioning data and pressure control signal according to the predetermined control algorithm. This data-driven control strategy allows the system to flexibly adapt to different production needs without requiring large-scale hardware modifications, demonstrating strong adaptability and versatility.

[0122] In a preferred embodiment, referencing Figure 6 , Figure 7 The detection center point in step S2 is obtained using the following formula:

[0123]

[0124] Where (X5,Y5,R) represents the detection center point;

[0125] (X0,Y0,R) represents the center point of the standard position;

[0126] W represents the width of target object 4;

[0127] The first offset base point in step S2 is obtained using the following formula:

[0128]

[0129] Among them, (X) 1, Y1,R) represents the first offset base point;

[0130] L represents the length of target object 4;

[0131] (X,Y,R) represents the roller offset;

[0132] The second offset base point in step S2 is obtained using the following formula:

[0133]

[0134] Among them, (X) 2, Y2,R) represents the second offset base point;

[0135] L represents the length of target object 4;

[0136] (X,Y,R) represents the roller offset;

[0137] The third offset base point in step S2 is obtained using the following formula:

[0138]

[0139] Where (X3,Y3,R) represents the third offset base point;

[0140] (X0,Y0,R) represents the center point of the standard position;

[0141] W represents the width of target object 4;

[0142] The fourth offset base point in step S2 is obtained using the following formula:

[0143]

[0144] Where (X4,Y4,R) represents the fourth offset base point;

[0145] (X2,Y2,R) represents the second offset base point;

[0146] W represents the width of target object 4.

[0147] Specifically, Figure 6 The line connecting points ① and ② before the offset is compared with the line connecting points ① and ② after the offset. The red arrow points to the reference center point A of the line connecting points ① and ② before the offset, and the green arrow points to the detection center point B of the line connecting points ① and ② after the offset. The roller offset (X,Y,R) is obtained by comparison.

[0148] Specifically, the position of the detection center point B is compared with that of the reference center point A to obtain the offset X in the X direction and the offset Y in the Y direction. The offset angle R is obtained by comparing the line connecting points ① and ② before the offset with the line connecting points ① and ② after the offset.

[0149] Figure 7 The standard position center point of target object 4 is C(X0,Y0,R). The detection center point B (point ⑤) of the line connecting points ① and ② after offset is obtained by the roller offset (X,Y,R)kyi. The target positioning data includes the detection center point (point ⑤) and four offset base points (points ①, ②, ③ and ④ respectively).

[0150] The rolling trajectory points of the upper scroll wheel 232 and the lower scroll wheel 242 are ① to ③. After X and Y offsets, the scroll wheel trajectories remain consistent with the screen edge, and after R offset, they remain parallel to the screen edge. The following is a table showing the detection center point of the target object 4 and the positions of the four offset base points after the offset.

[0151]

[0152] Specifically, refer to Figure 5 The image acquisition device 22 acquires the position data of the screen to be pressurized, and sends the position data to the control module 3 through the roller pressurization robot 1. The visual algorithm calculates the position of the detection center point of the target object 4 after offset and the position of the four offset base points.

[0153] The control module 3 sends control signals to the upper roller pressing component 23 and the lower roller pressing component 24. The control module 3 receives visual positioning data, processes it, and adjusts the position of the roller pressing robot 1 to compensate for differences in tooling and components, ensuring consistent rolling position.

[0154] The upper roller pressurization assembly 23 receives a control signal, and the electric cylinder 234 drives the upper roller 232 to apply pressure to the target object 4 under the action of the control signal.

[0155] The lower roller pressurization assembly 24 receives a control signal. Under the action of the control signal, the proportional valve 244 controls the air flow of the cylinder 243. The cylinder 243 then drives the lower roller 242 to move, applying an upward reaction force to the target object 4.

[0156] The force sensor 233 collects the pressure applied by the upper roller 232 and feeds it back to the control module 3. The control module 3 dynamically adjusts the height and pressure of the electric cylinder 234 based on the feedback data to ensure the accuracy and stability of the roller mechanism's movement.

[0157] The above description is merely a preferred embodiment of the present invention and does not limit the implementation and protection scope of the present invention. Those skilled in the art should realize that any equivalent substitutions and obvious changes made based on the description and illustrations of the present invention should be included within the protection scope of the present invention.

Claims

1. A roller pressurization automatic adjustment system, characterized in that, It includes a roller pressurizing robot and a pressurizing mechanism located at the end of the roller pressurizing robot, the pressurizing mechanism including, Mounting frame, connecting to the end of the roller pressurizing robot; An image acquisition device, mounted on the mounting frame, is used to acquire the location data of the target object, process the data, and output the target positioning data. The upper roller pressurization assembly is located on the side of the mounting frame away from the image acquisition device, and is used to pressurize the upper surface of the target object under the action of the pressurization control signal; The lower roller pressurization assembly is located on the side of the mounting frame near the image acquisition device, and is used to pressurize the lower surface of the target object under the action of the pressurization control signal; The control module, connected to the pressurization mechanism, is used to receive the target positioning data and output the pressurization control signal according to the target positioning data; The upper roller pressurizing assembly includes, An upper roller mounting plate, one end of which is connected to the mounting frame; An upper roller, located at the other end of the upper roller mounting plate, is used to apply pressure to the upper surface of the target object; A force sensor is disposed between the upper roller mounting plate and the mounting frame to collect the applied force of the upper roller; An electric cylinder, located above the force sensor, is used to control the up-and-down movement of the upper roller; The lower roller pressurizing assembly includes, A lower roller mounting plate, one end of which is connected to the mounting frame, and the other end of which extends toward one side of the upper roller mounting plate to form a bottom support plate; The lower roller is located on the bottom support plate and corresponds to the position of the upper roller. A cylinder is located on the first end of the lower roller mounting plate; A proportional valve, located near the image acquisition unit, is connected to the cylinder and is used to control the air flow rate of the cylinder. The target object is the screen on the production line.

2. The automatic roller pressure adjustment system according to claim 1, characterized in that, The control module is a programmable logic controller, and the image acquisition device is a camera.

3. A control method for an automatic adjustment system for roller pressurization, characterized in that, For controlling the automatic adjustment system for roller pressure as described in claim 1 or 2, comprising, Step S1: The image acquisition device acquires the position data of the target object, compares the position data with a preset standard position, and obtains the roller offset. Step S2: Calculate the target positioning data based on the roller offset. The target positioning data includes the detection center point and four offset base points. Step S3: The control module receives the target positioning data and outputs the pressurization control signal based on the target positioning data; In step S4, the upper roller pressing assembly applies pressure to the upper surface of the target object under the action of the pressing control signal, and the lower roller pressing assembly applies pressure to the lower surface of the target object under the action of the pressing control signal.

Images